do an tin chuyen nganh_final

8/3/2019 Do an Tin Chuyen Nganh_final

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n mn tin ng dng Nhm 6

N MN TIN CHUYN NGNH

PH LC

M U............................................................................................................................2CHNG 1: C S L THUYT.....................................................................................3

1.1 Mc ch...................................................................................................................31.2 ngha.....................................................................................................................31.3 C s l thuyt v S cng ngh .........................................................................3

1.3.1 qu trnh x l sn phm sau khi ln men tinh bt sn xut ethanol [2]............31.3.2 qu trnh chng chit ethanol s dng mi monoethylenglycol (MEG).............5

CHNG 2: THIT K, TI U HA QU TRNH V TNH TON THIT B...........72.1 C s thit k trong chng luyn hn hp ng ph.................................................72.2 C s vic ti u ha qu trnh chng chit hn hp ng ph ethanol-nc..........8

2.3 Tnh ton thit b......................................................................................................8CHNG 3: M PHNG QU TRNH CNG NGH.................................................10

3.1 M phng qu trnh x l sn phm ca qu trnh ln men tinh bt sn xut ruEthanol.........................................................................................................................10

3.1.1 qu trnh m phng..........................................................................................103.1.2 Kt qu m phng............................................................................................11

3.2 M phng qu trnh chng chit ethanol s dng dung mi MEG.........................113.2.1 Qu trnh m phng chng chit ethanol ........................................................113.2.2 Kt qu m phng qu trnh............................................................................133.2.3 Kt qu ti u ca qu trnh............................................................................14

CHNG 4: PH LC..................................................................................................184.1 Bng ph lc ca cc dng v thit b trong qu trnh m phng tinh luyn ethanols dng dung mi MEG................................................................................................184.2 Bng ph lc ca cc dng v thit b trong qu trnh m phng x l sn phmsau khi ln men tinh bt................................................................................................21

TI LIU THAM KHO..................................................................................................27

Lp Lc Ha Du K52 1


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M UNh chng ta bit, nhin liu ha thch v ang ng vai tr ht sc quan

trng. Bn cnh nhng u im vt tri, nhin liu ha thch ngy cng bc l nhiu

im hn ch: khng c kh nng ti sinh, nhim mi trng v vic ph thuc qu

nhiu vo loi nhin liu ny ang gy ra nhng bt n v kinh t, chnh tr. Thc t t

ra nhu cu cp thit cn phi tm ngun nhin liu thay th cho nhin liu ha thch. Rt

nhiu nghin cu c tin hnh v a ra c nhiu ngun nhin liu mi. Trong

, nhin liu c ngun gc sinh hc ang c u tin nghin cu v s dng.

V vy vic tm ra ngun nng lng mi c kh nng ti to v thn thin vi mi

trng l iu rt quan trng v cn thit. Bn cnh vic s dng cc ngun nng lng

nh nng lng thy in, nng lng nguyn t, nng lng mt tri, nng lng gi,

nng lng thy triuTh nng lng c ngun gc sinh hc ang rt c quan tm.

Ethanol l nhin liu i t ngun gc sinh hc ang c c th gii quan tm. V hin

nay Ethanol c s dng lm nguyn liu cho mt s qu trnh v c bit ethanol

nh mt ph gia pha xng to thnh mt loi nhin liu c gi l gasohol hay

gasoline alcohol gip tng ch s ON v gim thiu nhim mi trng. Nc ta l mt

nc c nn kinh t nng nghip vi th mnh l cc ngnh trng trt. Vic sn xut

Ethanol t cc ph phm ca sn xut nng nghip Vit Nam l rt kh thi.

Lp Lc Ha Du K52 2


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V nhng l do trn chng em chn bi Tm hiu, m phng cc thit b trong

2 qu trnh: sn xut ethanol x l sn phm sau khi ln men v qu trnh tinh luyn

ethanol. V ti u mt phn cc thit b ca cng on cui cng ca qu trnh sn xut

ethanol khan

Chng em xin chn thnh cm n thy on Vn Hun ngi trc tip ging dy

mn hc v hng dn chng em hon thnh n ny.

CHNG 1: C S L THUYT1.1 Mc ch

Tm hiu thit k v m phng cc thit b trong 2 qu trnh: sn xut ethanol l

x l sn phm sau khi ln men v tinh luyn ethanol sn xut ethanol khan. Ti u

mt phn cc thit b ca cng on cui cng ca dy chuyn sn xut ethanol khan n

c nh hng ln n cht lng ca loi nhin liu pha xng ny.

1.2 ngha

1.3 C s l thuyt v S cng ngh

1.3.1 qu trnh x l sn phm sau khi ln men tinh bt sn xut ethanol [2]

Tng quan qu trnh sn xut Ethanol bng ln men tinh bt:

Nguyn liu:

Lp Lc Ha Du K52 3


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La M La

mch

La

mch

en

Bp La min La go C sn

Tinh bt

(%)

60 63.2 56-58 62.6 58-63 69.2 55-65

Cc vi sinh vt tham gia qu trnh ln men

Vi sinh vt Nm mc Nm men Vi khun lacticTc dng hy phn tinh bt

thnh ng.

Thy phn dch ng thnh

ru.

Axit ha dch

ng trc khi ln

men.

Giai on qu trnh ln men

Cc phng php ng ha

Dng axit Men thuc

bc

Maltase Amylo Myco-malt

Tc nhn

ng ha

-HCl

810%-H2SO4

25%

Nm mc

t nhintrong thuc

bc

-Malt

-Cc loithc ny

mm

Amylomyces

rouxii,mucor hoc

Rhizopus

cy trc tip

Enzymeamylase

ca:-Asp. Oryzae

-Asp. Niger

-Asp. Awamori Qu trnh ln men

Phng trnh tng qut qu trnh ln men.

C6H12O6 = 2C2H5OH + 2 CO2 + 2ATP

Cc tp cht sn phm ph ca qu trnh ln men

Lp Lc Ha Du K52 4

Tinh bt

1.ng Ha

ng

2.Ln men

Ru

Glucose vcht dinhdng

Hp th qua b mtt bo nm men rithm thu qua mng

bn thm vo t bo

Ru v CO2

Qua mng t bocht, Khuch tnv tan vo mitrng xung

quanh


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Tp cht u Tp cht trung

gian

Tp cht cui

Thnh phn Aldehyde acetic,

ethy lacetate,

methyl acetate,

ru metanol

si thp hn

ru etanol

c ly ra giai

on u ca qu

trnh tinh ch

Ethyl isobutyrate,

ethyl

isovalerianate.

Ty thuc, nng

ru v tnh

cht vt l ca tp

cht.

Ru cao phn t:

isoamylic,

isobutylic

Nhit si cao

hn etanol , kh

bay hi, t ha tan

trong nc

S cng ngh

Thptch CO2

Thp raCO2

Thp loiMetanol

Thp tinhch

Thp cc

Etanol

Nc

Etanol t qtln men

Dng CO2

Hi nc(Steam)

CO2

Beer

Stillage A

Etanol a lithp ln men

To Rect

Rect Feed

Stillage B

Light vent

Fusel

1stprod

Ethanol

Hnh 1.1: S khi qu trnh x l sn phm sau khi ln men1.3.2 qu trnh chng chit ethanol s dng mi monoethylenglycol (MEG)

C s l thuyt:

Lp Lc Ha Du K52 5


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Ethanol thu c sau qu trnh ln men r ng, tinh bt hoc xenllulo c nng

khong 10%V 12%V. thu c cn c nng ln hn nng ti im ng

ph thng thng phi tri qua cc giai on chnh sau:

Giai on 1: S dng cc phng php chng ct thng thng nng cao

cn ti gn im ng ph (96,4%V)

Giai on 2: S dng cc phng php c bit khc tinh ch, lm khan cn.

lm khan cn hin nay ngi ta thng s dng cc phng php:

+Chng luyn:

-Chng luyn ng ph

-Trch ly mui rn

+Phng php bay hi thm thu qua mng

+Phng php hp ph

Phng php chng luyn ng ph c s dng nhiu do c u im l

thit k ban u n gin chi ph khng qu t.

S khi ca qu trnh

Hydrous ethanol

MEG

Lp Lc Ha Du K52 6

Thp Extractive Thp RecyclePurewater


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Hnh 1.2: s khi qu trnh chng luyn ethanol

CHNG 2: THIT K, TI U HA QU TRNH V TNHTON THIT B

2.1 C s thit k trong chng luyn hn hp ng ph

i vi cc hn hp gm cc cu t c nhit si ging nhau hoc rt gn nhau

hay to thnh dung dch ng ph, khng th dng phng php chng luyn thng

thng tch cc cu t ra dng nguyn cht, d thp v cng cao vi lng hi lu rt

ln. tch hn hp ngi ta phi c phng php c bit l trch ly hay cn gi

l phng php ng ph, ty thuc vo bay hi ca cu t thm vo (cu t phn ly).

AB

A

R b sung

R ti sinh

BR

B

a)

AR

AB

B A

R(A)

A

R

RR

A

b)

Lp Lc Ha Du K52 7

Anhydrousethanol

Solvent


8/28


Hnh 2.1:

a) h thng chng luyn trch ly ( cu t phn ly c bay hi b)

b) h thng chng luyn ng ph (cu t phn ly c bay hi ln)

Cu t phn ly c tc dng lm tng bay hi tng i ca mt cu t tronghn hp. Nu cu t phn ly c bay hi b khi thm vo nh thp s to thnh mt

hn hp gm cu t phn ly R v cu t B c bay hi b, cn cu t A c bay hi

ln. hn hp mi R v B c bay hi khc nhau nn d dng tch theo phng php

chng luyn thng thng (hnh 2.1). Phng php ny c s dng trong bi m

phng do c u im chng luyn trch ly khng cn bc hi cu t phn ly nn lng

hi t s t tit kim nng lng hn. Nu cu t phn ly R c bay hi ln hn cc

cu t trong hn hp khi thm n vo s kt hp vi mt cu t A trong hn hp to

thnh dung dch ng ph c bay hi ln.kt qu chng luyn sn phm nh s l hnhp ng ph sn phm y l cu t B kh bay hi. V khi thm cu t phn ly vo s

to ra dung dch ng ph nn gi l phng php chng luyn ng ph.

2.2 C s vic ti u ha qu trnh chng chit hn hp ng ph ethanol-

nc

- Ti u nhit , p sut dng MEG, HYDROUS ETHANOL trc khi vo thp

m bo thp hot ng tt nhit , p sut khng nh hn hay ln hn nhit , p

sut ti a np liu.

- Ti u lu lng dng dung mi MEG khi c nh dng nguyn liu ethanol.- Ti u Distillate Rate hay ti u lu lng dng ra nh thp.

- Ti u ch s hi lu ca thp Extractive.

2.3 Tnh ton thit b

Tnh ton cc thng s c bn ca thp CO2 wash, thp hot ng tch CO2 v

hp th tt c cc ru.

o Bc 1: C th ha 2 dng wash H2O v to co2 wash u vo (chi tit xem

bng 4.12 v 4.18 ph lc)

Hm lng ethanol trong kh u ra l : 0.000001 phn mol. Cht hp th l dngnc.

o Bc 2: Tnh p sut lm vic ca thp hp th

p sut lm vic ca thp hp th : P Pethanol/b

Trong :

Lp Lc Ha Du K52 8


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Pethanol l p sut hi ring phn ca ethanol trong dung dch nc ti nhit lm

vic ca thp. C th c tnh theo phng trnh Antoine:

Lg Pethanol = A B/(T+C)

T l nhit lm vic ca thp l 30o

C. A,B,C l 3 h s ca phng trnh tngng vi H2O [5]

A B C Tmin TmaxWater 8.071331 1730.63 233.426 1 100Water 8.14019 1710.94 244.485 99 374Ethanol 8.20417 1642.89 230.300 -57 80ethanol 7.68177 1332.04 199.200 77 243 Pethanol = 31.740167 mmHg

b l hm lng ca ethanol cn li trong kh u ra (ppm) l 0,0001% = 1 ppm

P Pethanol/b = 31.740167 mmHg = 0.04176338 atmVy ta chn p sut lm vic ca thp nh l 1 atm v y l 1 atm

o Bc 3: tnh lu lng dng to_ferm i ra y thp

methanol trong dng to_ferm = methanol hp th = methanol dng to co2 wash - methanol ra nhmto_ferm = mwash water+ methanol(hp th) + m(Methanol, 1-propanol, 2-propanol, 1-butanol, 1-butanol, 3-M-1-C4ol, 2-

pentanol, co2 b hp th) mnc b cun theo ln dng nh

Trong : nethanol(h.th) + n(Methanol, 1-propanol, 2-propanol, 1-butanol, 1-butanol, 3-M-1-C4ol, 2-pentanol,co2 b hp th) -

nnc b cun theo ln dng nh = nethanol(to co2 wash) + n(Methanol, 1-propanol, 2-propanol, 1-butanol, 1-butanol, 3-M-1-C4ol, 2-pentanol, co2

dng to co2 wash) nethanol(kh ra nh) - n(Methanol, 1-propanol, 2-propanol, 1-butanol, 1-butanol, 3-M-1-C4ol, 2-pentanol, co2 nh) - n(nc cun theo nh)

methanol trong dng to_ferm= mETHANOL(to co2 wash) - mETHANOL(kh ra nh) = 1.1276653x46

kg/h = 51.8726038 [kg/h]

Lu lng khi lng thnh phn ethanol trong hysys tnh l 51.8915052 [kg/h]

kt qu m phng ph hp vi tnh ton bng tay

o Bc 4: tnh lu lng ca dng ethanol ra nh thp

m(ethanol trong dng kh ra nh) = m(ethanol dng to co2 wash) methanol(h.th) = 2.976x10-3 [kg/h]

Lu lng khi lng ca ethanol trong dng nh co2_stream m hysys tnh l

2.997712x10-3 [kg/h]

kt qu m phng ph hp vi tnh ton bng tay

Lp Lc Ha Du K52 9


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CHNG 3: M PHNG QU TRNH CNG NGH

3.1 M phng qu trnh x l sn phm ca qu trnh ln men tinh bt sn

xut ru Ethanol3.1.1 qu trnh m phng

Sau qu trnh ln men, sn phm Ethanol chng ta thu c ch yu l nc v

Ethanol v nhiu nhng tp cht nh: Metanol, 1-Propanol, 2-Propanol, Axit axetic, 1-

Butanol, 3-metyl-butanol-1, 2-Pentanol v CO2. Trong qu trnh x l ny chng ta cn

loi b cc tp cht thu c sn phm hn hp ng ph ca Ethanol v nc. Qu

trnh thit lp m phng bng Hysys cho qu trnh x l ny bao bm nhng bc sau:

u tin chng ta chn m hnh cho qu trnh m phng ny l NRTL. Nhp 3

dng nguyn liu l dng nc, hi nc v dng sn phm ca qu trnh sau khi lnmen sn xut ethanol iu kin mi trng [2] (chi tt xem ph lc 4.12). Dng sn

phm nh ca thp tch CO2 thnh phn chnh l CO2.

Ethanol 0.016966CO2 0.942106H2O 0.040875

c a cng vi dng nc sch vo thp CO2 wash loi chit CO2 v thu

hi lng ethanol b cun theo bng thp ra CO 2 (hp th ethanol). Thnh phn chnh

dng sn phm nh v y ca thp ny l: (chi tit xem ph lc 4.19)

Beer To_ferm Co2_streamEthanol 0.027183 0.00859

5

0.000001

H2O 0.972206 0.99094

9

0.033305

CO2 0.000521 0.00046

8

0.966690

Dng Beer sn phm y ca thp loi CO2 c a cng vi dng hi nc

stream vo thp loi Methanol y l mt thp quan trong. Thp ny thc hin cng vicloi b tt c Methanol trong dng sn phm ca qu trnh ln men. L mt thp hp th

s dng dng hi li cun cu t cn tch ln trong lng. Dng sn phm nh ca

thp T-100 c a ti thp tinh ch Main TS, thp Main TS c tc dng tinh ch loi

b sn phm nh, ethanol thu c th c ti sinh tr li thit b ln men. Dng sn

phm y ca thp Main TS cng vi dng sn phm sn Rect_feed c a ti thp

Lp Lc Ha Du K52 10


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tinh ct T-101.(chi tit iu kin v thnh phn dng xem ph lc 4.22). Thp T- 101

l thit b c c nhm thu c hn hp ng ph ethano nc. Fusel l mt hn hp

ca cc Propanol, Butanol v Pentanol; n c gi tr cao hn Ethanol. S tch ly ca

Fusel oil trong thp tinh ch l nguyn nhn dn n s hnh thnh ca pha lng th haiiu ny lm nh hng xu n hiu sut lm vic ca cc a trong thp. gii quyt

vn ny th Fusel oil cn phi c ly ra t cc a sn ca thp.

Rect_vap Rect_dist 1stprod Fusel stillage BMole Fractions

Ethanol 0.8917 0.892

8

0.889

7

0.690

8

0.0034

H2O 0.1022 0.105

0

0.109

2

0.305

6

0.9962

(chi tit iu kin cc dng sn phm v thp xem ph lc 4.22 v 4.17)3.1.2 Kt qu m phng

Hnh 3.1: Qu trnh m phng x l sn phm ca qu trnh ln men tinh bt

3.2 M phng qu trnh chng chit ethanol s dng dung mi MEG

3.2.1 Qu trnh m phng chng chit ethanolQu trnh bt u t dng nguyn liu Hydrous ethanol v dng mono

ethylenglycol (MEG), c i qua thit b thp chng chit Extractive tch ethanol thu

c ethanol khan c tnh khit cao ri qua thp Recycle thu hi dung mi MEG

ti sinh li thp Extractive dng hi lu ny c i qua cc thit b nh bm, thit b gia

nhit mc ch m bo p sut v nhit hi lu li thp Extractive.

Lp Lc Ha Du K52 11


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Hydrous ethanol

MEG

Hnh 3.2: Quy trnh m phng

Qu trnh m phng s dng m hnh Peng-Robinson. Nguyn liu ethanol v

MEG i vo nhit 25oC, p sut 1 atm, lu lng ln lt l 50 v 100 kmole/h vi

thnh phn dng HYDROUS ETHANOL ethanol chim 95% cn li l nc. DngMEG c thnh phn Eglycol chim 99% cn li l nc (xem bng 4.1 v bng 4.2 phn

ph lc).

conditions

Name HYDROUS ETHANOL MEGNhit [oC] 94.35 88.50

p sut [Kpa] 160 112.0Tc dng [kgmole/h] 100 79.86

composition Phn molEthanol 0.95 0.00H2O 0.05 0.01MEG 0.00 0.99

Dng MEG c a vo a s 3, dng HYDROUS ETHANOL vo a 12 ca

thp Extractive [4]. Thp Extractive c thit lp 20 a vi ch s hi lu l R=1.9, lu

lng dng sn phm nh l 100 kmole/h, p sut nh v y ca thp Extractive ln

lt l 101.3 v 202.6 kpa. (xem bng 4.10 phn ph lc).

Name Column EXTRACTIVE

Number of stage 20

Inlets

Name Inlet stageMEG 3HYDROUS

ETHANOL

12

Pressure ProfireCondenser Pressure[kpa] 101.3

Lp Lc Ha Du K52 12

Thp Extractive Thp RecyclePure

Water

Anhydrousethanol

Solvent


13/28


Reboiler Pressure [kpa] 202.6specifications

Reflux Ratio 1.9Liquid Rate [Kgmole/h] 100

Dng ANHYDROUS ETHANOL l dng sn phm ethanol khan, dngBOTTOMS dng sn phm y ca thp Extractive thnh phn gm c c H2O, ethanol

v Eglycol c a n thp RECYCLE thp ti sinh dung mi Eglycol. Dng PURE

WATER sn phm nh ca thp thnh phn chnh l nc, dng dung mi SOLVENT

c thnh phn chnh l eglycol l sn phm y ca thp c ti sinh tr li thp

Extractive. (xem bng 4.11 phn ph lc)

Name Column RECYCLENumber of stage 10

Inlets Name Inlet stageBOTTOMS 5Pressure Profire

Condenser Pressure[kpa] 101.3Reboiler Pressure [kpa] 101.3

specificationsReflux Ratio 0.30Liquid Rate [Kgmole/h] 14.02

3.2.2 Kt qu m phng qu trnh

Hnh 3.3: s m phng c qu trnh chng chit ethanol

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Kt qu dng sn phm nh ca thp Extractive

Worksheet/composition Phn molEthanol 0.995446Eglycol 0.000025

H2O 0.0045293.2.3 Kt qu ti u ca qu trnh

Kt qu ti u nhit c th hin hnh 3.3. nhit , p sut dng

HYDROUS ETHANOL vo thp EXTRACTIVE l 88.5 oC v p sut 160 kpa.

Hnh 3.4 : ti u nhit dng HYDROUS ETHANOLNhit , p sut dng MEG l 88.5 oC v 112.0 kpa ( xem bng 4.2 phn ph

lc). Nhit dng MEG khng nh hng n nng ethanol thu c nh ngc

li dng HYDROUS ETHANOL c nh hng n nng ethanol nh l do nhit

dng nguyn liu ny nh hng n bay hi, ngng t ethanol ti a np liu.

Kt qu ti u lu lng dng MEG, lu lng dng dung mi MEG c nh

hng n phn mol ethanol sn phm nh do Eglycol l dung mi c tc dng li ko

cu t nc gip ph im ng ph ca hn hp ethanol nc.

Lp Lc Ha Du K52 14


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Hnh 3.5: Ti u lu lng dng dung mi MEG

Da vo th ta chn lu lng dng MEG l 85 kmol/h. lu lng dng

HYDROUS ETHANOL l c nh 100 kmol/h. (xem bng 4.1 phn ph lc)

Kt qu ti u t s hi lu ca thp Extractive, t s hi lu nh hng n phn

mol ethanol ca dng sn phm nh quyt nh tnh khit ca dng sn phm nh.

Reflux Ratio (R) Mole Fractions

ethanol1.0 0.9948121.2 0.9948721.3 0.9949981.4 0.9954461.5 0.9951621.6 0.995214

Bng 3.1 : phn mol ca ethanol ph thuc vo ch s hi lu

T kt qu trn ta c th gi ch s hi lu v phn mol ca ethanol trong dng

sn phm nh.

Lp Lc Ha Du K52 15


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0.9947

0.9948

0.9949

0.9950.9951

0.9952

0.9953

0.9954

0.9955

0 0.5 1 1.5 2

Reflux

MolerFractio

nsethanol

Series1

Hnh 3.6: Ti u ch s hi lu ca thp Extractive

Da vo th ta thy ch s hi lu ti u l R= 1.4

Kt qu ti u lu lng dng nh ca thp Extractive dng sn phm ethanol

t tinh khit l ethanol khan.

Distillate Rate (thp Extractive) Mole Fractions (ethanol)70 0.99455975 0.99460380 0.994620

85 0.99461186 0.99460690 0.99457995 0.994514100 0.950017Bng 3.2: Phn mol ethanol ph thuc vo lu lng dng nh

Qua bng ta c th

Lp Lc Ha Du K52 16


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0.94

0.95

0.96

0.97

0.98

0.99

1

0 20 40 60 80 100 120

Distillate Rate

MoleFractionsethanol

Series1

Hnh 3.7: phn mol ethanol dng sn phm ph thuc lu lng dng sn

phm nh

Qua th ta thy ti v tr lu lng t 86 kmol/h th nng ethanol t tinh

khit cao. (xem bng 4.3 ph lc)

Worksheet/composition Phn molEthanol 0.995446Eglycol 0.000025H2O 0.004529

Kt qu ti u ch s hi lu ca thp Recycle, thu c dng dung miEglycol c tinh khit cao ti sinh tr li thp Extractive th ta ti u ch s hi lu

ca thp Recycle ngoi ra C th ti u s a, a np liu cng nh lu lng dng ra

nhng thng s ny c ti u bng thit b shortcut column trc. Thp Recycel c

10 a, a np liu l 5, lu lng dng nh l 14.02 kmol/h v ch s hi lu l 0.3 kt

qu thu c dng sn phm y.

Worksheet/composition Phn molEthanol 0.000001

Eglycol 0.992196H2O 0.007803

Lp Lc Ha Du K52 17


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CHNG 4: PH LC

4.1 Bng ph lc ca cc dng v thit b trong qu trnh m phng tinh

luyn ethanol s dng dung mi MEG

Ph lc 4.1: thnh phn dng nguyn liu Ethanol

conditions

Name HYDROUS ETHANOLNhit [oC] 94.35

p sut [Kpa] 160Tc dng [kgmole/h] 100composition Phn molEthanol 0.95

H2O 0.05MEG 0.00

Ph lc 4.2: Thnh phn dng dung mi MEGconditions

Name MEGNhit [oC] 88.50

p sut [Kpa] 112.0Tc dng [kgmole/h] 79.86

composition Phn mol

Ethanol 0.00H2O 0.01MEG 0.99Ph lc 4.3: Thnh phn dng sn phm ANHYDROUS ETHANOL

conditions

Name ANHYDROUS ETHANOLNhit [oC] 78.15


composition Phn molEthanol 0.995446H2O 0.004529MEG 0.000025Ph lc 4.4: Thnh phn dng sn phm y BOTTOMS ca thp Extractive

conditions

Lp Lc Ha Du K52 18


19/28


Name BOTTOMSNhit [oC] 143.4


composition Phn molEthanol 0.100396H2O 0.055658Eglycol 0.843946Ph lc 4.5: thnh phn dng PURE WATER

conditions

Name PURE WATER Nhit [oC] 78.68


composition Phn molEthanol 0.672054H2O 0.327918MEG 0.000029Ph lc 4.6: thnh phn dng SOLVENT sn phm y ca thp Recycle

conditions

Name SOLVENTNhit [oC] 193.8


composition Phn molEthanol 0.000001H2O 0.007802MEG 0.992196Ph lc 4.7: Thng s thit b bm P-100

Design/connections Design/ParametersName P-100 Adiabbatic Efficiency 75%

Inlet SOLVENT Worksheet/Conditions/To E-100Outlet To E-100 Vapour 0.0Energy Q-P100 Pressure[kPa] 112.0Fluid Package Basis-1Ph lc 4.8: Thng s thit b lm lnh E-100

Design/ConnectionsName E-100

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Inlets To E-100Energy QR-E100Outlet COLED SOLVENTFluid Package Basis-1

Work sheet/conditions/Feed-M4Pressure(kPa) 0.0Ph lc 4.9: Thng s thit b RCY-1

Connections/Connections Workshet/compositionName RCY-1 Ethanol 0.0000Inlet COLED

SOLVENT

Eglycol 0.9923

Outlet MEG H2O 0.0077Fluid Package Basis-1

Workshet/conditions/RCY1Temperature[C] 88.5Pressure[kPa] 112.0Molar Flow[kmol/h] 79.80Ph lc 4.10: Thng s thp Extractive

Design/ConnectionsName Column EXTRACTIVENumber of stage 20Inlets Name Inlet stage

MEG 3HYDROUS

ETHANOL

12

Condenser TotalStage Numbering Top DownOvhd Liquid Outlet ANHYDROUS ETHANOLBottoms Liquid Outlet BOTTOMSCondenser Energy stream QC1Reboiler Energy stream QR1

Pressure Profire

Condenser Pressure[kpa] 101.3Reboiler Pressure [kpa] 202.6Condenser Pressure Drop

specificationsReflux Ratio 1.4Liquid Rate [Kgmole/h] 86

Ph lc 4.11: Thng s thp RECYCLE

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Design/ConnectionsName Column RECYCLENumber of stage 10Inlets Name Inlet stage

BOTTOMS 5Condenser TotalStage Numbering Top DownOvhd Liquid Outlet PURE WATER Bottoms Liquid Outlet SOLVENTCondenser Energy stream QC2Reboiler Energy stream QR2

Pressure ProfireCondenser Pressure[kpa] 101.4Reboiler Pressure [kpa] 101.4

Condenser Pressure Drop 0.000specifications

Reflux Ratio 0.30Liquid Rate [Kgmole/h] 14.02

4.2 Bng ph lc ca cc dng v thit b trong qu trnh m phng x l sn

phm sau khi ln men tinh bt

Ph lc 4.12 : bng thnh phn dng nguyn liu u vo

Streams name Wash_H2

O

FromFer StreamA

Temperature [oC] 25 30 140

Pressure [kPa] 101.325 101.325 101.325Molar flow [kmol/h] 130 2400

Mass flow [kg/h] 11000

Worksheet/composition

Ethanol 0 0.0269 0H2O 1 0.9464 1CO2 0 0.0266 0Methanol 0 2.693e-5 0Acetic acid 0 3.326e-6 01-Propanol 0 9.077e-6 02-Propanol 0 9.096e-6 0

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1-Butanol 0 6.578e-6 03-M-1-C4ol 0 2.148e-5 02-Pentanol 0 5.426e-6 0Glycerol 0 6.64e-6 0

Ph lc 4.13:Thp tch CO2

Design/ConnectionsName CO2_vent

Inlets FromFer

Outlets Vapour outlet To_CO2Wash

Liquid outlet Beer

Ph lc 4.14: Thp x l kh CO2

Name CO2 Wash

Design/connections

No. of stage 10Inlet stream

(stage)

Wash_H20 (top stage)

To_CO2Wash (bottom

stage)Overhead vapour CO2_Stream

Bottoms liquid To_Ferm

Pressure profile Stage 1 101.235 kPa

Stage 10 101.325 kPa

Ph lc 4.15: Thp loi b hon ton MethanolT-100 Name

Design/ConnectionsConnections No. of stage 17

Feed stream (stage)Beer (top stage)

Stream A (bottom stage)

Overhead vapour To_lightBottoms liquid Stillage A

Side draw vapour(stage)Rect_feed (stage 6)

Presure Profile Condenser 101.325 kPareboiler 102.325 kPa

Temperature Estimate Condenser temperature 90 C

Reboiler temperature 110 CSpecifications 1.Comp recovery Active

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- Draw

- Spec Value

Rect feed

0,95 Design [specs] - Component Ethanol

2.Draw rate 1

- Draw

- Flow basis

- Spec value

Estimate

React feed

Mass

5000 kg/h3.Draw rate 2

- Draw

- Flow basis

- Spec value

Estimate

To_light

Molar

1000 kmol/hPh lc 4.16 : Thp tnh ch ti y cc thnh phn nh c loi b b Ethanol thu

c (2ndEtOH)Name Main TS

Design/ConnectionsConnections No. of stage 5

Inlet stream (stage) To_light (bottom stage)Condenser type PartialOverhead vapour Light_VentOver head liquid 2ndEtOHBottom liquid To_Rect

Cond.energy CondDutyPresure profile Condenser presure 101.325 kPaReboiler presure 101.325 kPa

Design/SpecsDesign [Specs] 1.Vap Prod Rate

- Draw

- Flow basis

- Spec value

Active

Light_Vent

Molar

1,6 kmol/h2.Comp fraction

- Stage- Flow basis

- Phase

- Spec value

- Component

Active

CondenserMass fraction

Liquid

0,88

ethanol3.Reflux ratio Estimate

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- Stage

- Flow basis

- Spec value

Condenser

Molar

5.00Distillate rate

- Draw

- Flow basis

- Spec value

Estimate

2ndEtOH

Molar

2,1 kmol/hPh lc 4.17: Thp tinh ct (sn phm ca qu trnh ny l hn hp ng ph ethanol

nc)

Name T-101Design/Connections

Connections No. of stage 29

Inlet stream (stage) To_Rect (19)Rect_Feed (22)

Condenser type PartialOverhead vapour Rect_VapOverhead liquid Rect_Dist

Stillage BReboiler duty Rect_Reb QCondenser duty Rect_cond Q

Side draw liquid (stage) 1stProd (2)

Fusel (20)Presure profile Condenser presure 101.325 kPa

Reboiler presure 101.325 kPa

Condenser temperature 79oCReboiler temperature 100oC

Design/Specs1. Reflux ratio

- Stage

- Flow basis

- Spec value

Active

Condenser

Molar

71002. Ovhd Vap Rate

- Draw

- Flow basis

- Spec value

Active

Rect_Vap

Molar

0.100 kmol/h3.Distillate Rate Active

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- Draw

- Flow basis

- Spec value

Rect_Dist

Mass

2.0 kg/hDesign/specs 4. Comp fraction

- State

- Flow basis

- Phase

- Spec value

- Component

Active

2_main TS

Mass fraction

Liquid

0.95

Ethanol5. Fusel draw rate

- Draw

- Flow basis

- Spec value

Active

Fusel

Mass

3 kg/h6. 1stProd Draw Rate

- Draw

- Flow basis

- Spec value

Estimat

1stProd

Molar

68 kmol/hParameters/solver Damping factor (enable) 0.25

Ezeotrope check ONPh lc 4.18: bng hai dng sn phm ca thp tach CO2

Beer To CO2 washTemperature [oC] 30 30Pressure [Kpa] 101.3 101.3

Molar Flow [kgmole/h] 2334 66.47Mole Fractions

Ethanol 0.027183 0.016966H2O 0.972206 0.040875CO2 0.000521 0.942106Methanol 0.000027 0.000013Aceticacid 0.000003 0.000000

1-Propanol 0.000009 0.0000102-Propanol 0.000009 0.0000091-Butanol 0.000007 0.0000063-M-1-C4ol 0.000022 0.0000082-pentanol 0.000005 0.000007Glycerol 0.000007 0.000000

Ph lc bng 4.19: bng 2 dng sn phm ca thp CO2 wash

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Co2_stream To_fermTemperature [oC] 26.06 33.34Pressure [Kpa] 101.3 101.3

Molar Flow [kgmole/h] 64.72 131.8

Mole FractionsEthanol 0.0000 0.0086H2O 0.0333 0.9909CO2 0.9667 0.0005Methanol 0.0000 0.0000Aceticacid 0.0000 0.00001-Propanol 0.0000 0.00002-Propanol 0.0000 0.00001-Butanol 0.0000 0.00003-M-1-C4ol 0.0000 0.0000

2-pentanol 0.0000 0.0000Glycerol 0.0000 0.0000

Ph lc 4.20: bng dng sn phm ca thp T-100To_light rect_feed Stillage a

Temperature [oC] 85.88 94.81 100.3Pressure [Kpa] 101.3 101.6 102.3

Molar Flow

[kgmole/h]

10.03 316.7 2617

Mole Fractions

Ethanol 0.316430 0.190280 0.000000H2O 0.560985 0.809175 0.999991CO2 0.121216 0.000000 0.000000Methanol 0.000164 0.000196 0.000000Aceticacid 0.000002 0.000003 0.0000031-Propanol 0.000319 0.000057 0.0000002-Propanol 0.000310 0.000057 0.0000001-Butanol 0.000148 0.000044 0.0000003-M-1-C4ol 0.000127 0.000157 0.0000002-pentanol 0.000300 0.000030 0.000000

Glycerol 0.000000 0.000000 0.000006Ph lc 4.21: Ba dng sn phm ca thp Main TSlight_vent thu duoc ethanol To_rect

Temperature [oC] 46.35 46.35 79.71Pressure [Kpa] 101.3 101.3 101.3Molar Flow

[kgmole/h]

1.600 2.101 6.332

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Mole FractionsEthanol 0.191630 0.761541 0.200251H2O 0.049114 0.236087 0.798170CO2 0.758876 0.000736 .0000046

Methanol 0.000158 0.000378 0.000094Aceticacid 0.000000 0.000000 0.0000031-Propanol 0.000046 0.000395 0.0003622-Propanol 0.000175 0.000828 0.0001721-Butanol 0.000000 0.000006 0.0002333-M-1-C4ol 0.000000 0.000000 0.0002012-pentanol 0.000001 0.000028 0.000466Glycerol 0.000000 0.000000 0.000000

Ph lc 4.22: kt qu 5 dng sn phm ca thp T-101Rect_vap Rect_dist 1stprod Fusel stillage B

Temperature [oC] 77.99 77.99 96.16 85.88 98.79Pressure [Kpa] 101.3 101.3 199.0 133.9 101.3Molar Flow

[kgmole/h]

9.997e-2 4.640e-2 67.97 7.985e-2 254.8

Mole FractionsEthanol 0.8917 0.8928 0.8897 0.6908 0.0034H2O 0.1022 0.1050 0.1092 0.3056 0.9962CO2 0.0029 0.0000 0.0000 0.0000 0.0000Methanol 0.0030 0.0020 0.0009 0.0001 0.0000

Aceticacid 0.0000 0.0000 0.0000 0.0026 0.00001-Propanol 0.0002 0.0000 0.0000 0.0009 0.00012-Propanol 0.0000 0.0000 0.0003 0.0000 0.00001-Butanol 0.0000 0.0000 0.0000 0.0000 0.00013-M-1-C4ol 0.0000 0.0000 0.0000 0.0000 0.00022-pentanol 0.0000 0.0000 0.0000 0.0000 0.0000Glycerol 0.0000 0.0000 0.0000 0.0000 0.0000

TI LIU THAM KHO

1. CC QU TRNH, THIT B TRONG CNG NGH HA CHT V THCPHM Tp 4. GS.TSKH. Nguyn Bin

2. M.A.S.S. Ravagnani a,* , M.H.M. Reis a, R. Maciel Filho b, M.R. Wolf-Macuelb .Anhydrous ethanol production by extractive distillation: A solvent case

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study 2009 The institution of chemical Engieers. published by Elsevier B.V.Allrights reserved.

3. HYSYS 2004.2 Tutorials and Applications 1981-2005 by Aspen Technology,Inc. All rights reserved. (File hng dn s dng trong phn mm aspen hysys)

4. I.D. Gil1*

, A.M. Uyan1

, J.L. Aguliar1

, G. Rodriguez1

. L.A. Caicedo1

.1

Departmentof Chemical Engineering - National University of Colombia. SIMULATION OFETHANOL EXTRACTIVE DISTILLATION WITH A GLYCOLS MIXTUREAS ENTRAINER

5. http://en.wikipedia.org/wiki/Antoine_equation
http://en.wikipedia.org/wiki/Antoine_equationhttp://en.wikipedia.org/wiki/Antoine_equation

do an tin chuyen nganh_final

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